Despite yesterday’s position on not going to install big sur, I had a change of heart. i then downloaded the update on my intel MacBook Pro 2020 13” and when the update was downloaded I found out that Dropbox was stalling the installation procoss, I closed Dropbox and the installation went smoothly after a few hiccups. Once installed it looked like a iPad OS with similar icons to iPad OS with proper multitasked windows and menus on it. Anyway I tested all existing 3rd party applications, all ran fine even Dropbox and blender. I had not had any problems with it It all ran fine and seamlessly